BR8305404A - Processo de obter concentrado de magnetita de grande area especifica - Google Patents

Processo de obter concentrado de magnetita de grande area especifica

Info

Publication number: BR8305404A
Authority: BR; Brazil
Prior art keywords: obtaining; large specific; magnetite concentrate; specific magnetite; concentrate
Prior art date: 1983-09-30

Application number

BR8305404A

Other languages

English (en)

Inventor

Joao Tavares Neiva Figueiredo

Carlos Cesar Peiter

Hosam Ahmed Abdallah Abd Rehim

Ielton Frederico Da Ponte

Original Assignee

Petroleo Brasileiro Sa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1983-09-30

Filing date

1983-09-30

Publication date

1985-05-07

1983-09-30 Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa

1983-09-30 Priority to BR8305404A priority Critical patent/BR8305404A/pt

1984-09-18 Priority to MX202760A priority patent/MX162691A/es

1984-09-27 Priority to AU33597/84A priority patent/AU3359784A/en

1984-09-28 Priority to IT48923/84A priority patent/IT1178007B/it

1984-09-28 Priority to ZA847667A priority patent/ZA847667B/xx

1984-09-28 Priority to GB08424562A priority patent/GB2147284B/en

1985-05-07 Publication of BR8305404A publication Critical patent/BR8305404A/pt

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Analytical Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Treating Waste Gases (AREA)

BR8305404A 1983-09-30 1983-09-30 Processo de obter concentrado de magnetita de grande area especifica BR8305404A (pt)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
BR8305404A BR8305404A (pt)	1983-09-30	1983-09-30	Processo de obter concentrado de magnetita de grande area especifica
MX202760A MX162691A (es)	1983-09-30	1984-09-18	Metodo para obtener un concentrado de magnetita con gran area de superficie
AU33597/84A AU3359784A (en)	1983-09-30	1984-09-27	Process to obtain high surface area magnetite concentrate
IT48923/84A IT1178007B (it)	1983-09-30	1984-09-28	Procedimento per ottenere un concentrato di magnetite di elevata area superficiale
ZA847667A ZA847667B (en)	1983-09-30	1984-09-28	Process to obtain high surface area magnetite concentrate
GB08424562A GB2147284B (en)	1983-09-30	1984-09-28	Process for obtaining a high surface area magnetite concentrate

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
BR8305404A BR8305404A (pt)	1983-09-30	1983-09-30	Processo de obter concentrado de magnetita de grande area especifica

Publications (1)

Publication Number	Publication Date
BR8305404A true BR8305404A (pt)	1985-05-07

Family

ID=4034249

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8305404A BR8305404A (pt)	1983-09-30	1983-09-30	Processo de obter concentrado de magnetita de grande area especifica

Country Status (6)

Country	Link
AU (1)	AU3359784A (pt)
BR (1)	BR8305404A (pt)
GB (1)	GB2147284B (pt)
IT (1)	IT1178007B (pt)
MX (1)	MX162691A (pt)
ZA (1)	ZA847667B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BR8706002A (pt) *	1987-11-09	1989-05-30	Vale Do Rio Doce Co	Processo para producao de oxido de ferro de alta reatividade e alta superficie especifica

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB279797A (en) *	1926-10-28	1928-07-19	Ferriconcentrat Ab	Method of enriching oxide iron-ores, flue dust from blast furnaces, burnt pyrites, purple-ore and the like
GB442437A (en) *	1934-07-30	1936-01-30	Brodde Erik Fjalar Rhodin	Improvements in manufacture of sulphur dioxide
GB469328A (en) *	1936-01-22	1937-07-22	Herman Alexander Brassert	Improvements in and relating to the treatment of iron ores for subsequent reduction
GB496999A (en) *	1936-05-07	1938-12-07	Metallgesellschaft Ag	Process for dressing iron ores
FR1279982A (fr) *	1960-11-14	1961-12-29	Oxydes Francais	Procédé de traitement des minerais de fer non magnétiques, en vue d'obtenir des minerais fortement ferro-magnétiques susceptibles d'être enrichis par séparation magnétique
NL276515A (pt) *	1961-03-28	1900-01-01
GB1061772A (en) *	1963-03-26	1967-03-15	Aux De La Ind S A Empresa	A process for the roasting of pyrites with the simultaneous reduction of ferric oxides to magnetite in a fluidized bed
US3323900A (en) *	1964-08-13	1967-06-06	Fuji Iron & Steel Co Ltd	Process for treatment of iron oxide ores containing nickel, chromium and cobalt
US3361557A (en) *	1965-03-22	1968-01-02	R N Corp	Processes for direct reduction of ironbearing ores, slags and the like
SE342838B (pt) *	1970-04-20	1972-02-21	Boliden Ab

1983
- 1983-09-30 BR BR8305404A patent/BR8305404A/pt not_active IP Right Cessation
1984
- 1984-09-18 MX MX202760A patent/MX162691A/es unknown
- 1984-09-27 AU AU33597/84A patent/AU3359784A/en not_active Abandoned
- 1984-09-28 GB GB08424562A patent/GB2147284B/en not_active Expired
- 1984-09-28 IT IT48923/84A patent/IT1178007B/it active
- 1984-09-28 ZA ZA847667A patent/ZA847667B/xx unknown

Also Published As

Publication number	Publication date
GB2147284A (en)	1985-05-09
GB8424562D0 (en)	1984-11-07
IT1178007B (it)	1987-09-03
ZA847667B (en)	1986-05-28
IT8448923A0 (it)	1984-09-28
AU3359784A (en)	1985-04-04
MX162691A (es)	1991-06-17
GB2147284B (en)	1986-12-17

Publication	Publication Date	Title
BR8403268A (pt)	1985-06-11	Maquina e processo de separacao
BR8406604A (pt)	1985-10-15	Processo de fabricacao de calcado e calcado
BR8305811A (pt)	1984-05-29	Processo de hidroformilacao
BR8100218A (pt)	1981-08-04	Artigo de limpeza e processo
BR8601577A (pt)	1986-12-09	Maquina dinamoeletrica e processo de sua producao
BR8302315A (pt)	1984-01-03	Processo de hidrocraqueamento
BR8101427A (pt)	1981-09-22	Processo de flotacao
PT82896A (pt)	1986-08-01	Unidade de altifalantes e seu processo de fabrico
BR8302283A (pt)	1984-01-03	Processo signal corporation
KR880700339A (ko)	1988-02-22	영역 가공 방법
BR8207233A (pt)	1983-03-01	Membro estrutural e seu processo de formacao
KR880700338A (ko)	1988-02-22	영역 가공방법
KR880700340A (ko)	1988-02-22	영역 가공 방법
BR8305404A (pt)	1985-05-07	Processo de obter concentrado de magnetita de grande area especifica
FR2550223B1 (fr)	1988-09-30	Spf-100 et procede de preparation
BR8304196A (pt)	1984-03-13	Aparelho e processo de selecao
BR8403050A (pt)	1986-01-28	Processo de auto-hidrogenacao
DD234765A3 (de)	1986-04-16	Drehende vorrichtung
BR8605693A (pt)	1987-08-11	Processo de carbonilacao
BR8305046A (pt)	1985-04-23	Processo de recuperacao de pecas
BR8403455A (pt)	1985-06-25	Processo para a preparacao de benzantrona e benzantrona obtida
BR8307743A (pt)	1985-07-02	Processo de fabricacao de conjunto de fixadores
FR2543190B1 (fr)	1985-10-11	Proced
BR8303944A (pt)	1985-03-05	Processo de separacao de minerais
BR6301073U (pt)	1985-03-12	Brinquedo e processo de montagem

Legal Events

Date	Code	Title	Description
2008-07-01	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 30/09/98